ISO 21011:2008

Cryogenic vessels - Valves for cryogenic service

ISO 21011:2008 specifies the requirements for the design, manufacture and testing of valves for a rated temperature of -40 °C and below (cryogenic service), i.e. for operation with cryogenic fluids in addition to operation at temperatures from ambient to cryogenic.

ISO 21011:2008 applies to all types of cryogenic valves, including vacuum jacketed cryogenic valves up to size DN 150.

ISO 21011:2008 is not applicable to pressure relief valves covered by ISO 21013-1.

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